diff --git a/drivers/tee/optee/smc_abi.c b/drivers/tee/optee/smc_abi.c
index 3e33cf2af73bb..f0c3ac1103bb5 100644
--- a/drivers/tee/optee/smc_abi.c
+++ b/drivers/tee/optee/smc_abi.c
@@ -1272,8 +1272,9 @@ static void optee_msg_get_os_revision(optee_invoke_fn *invoke_fn)
 		  &res.smccc);
 
 	if (res.result.build_id)
-		pr_info("revision %lu.%lu (%08lx)", res.result.major,
-			res.result.minor, res.result.build_id);
+		pr_info("revision %lu.%lu (%0*lx)", res.result.major,
+			res.result.minor, (int)sizeof(res.result.build_id) * 2,
+			res.result.build_id);
 	else
 		pr_info("revision %lu.%lu", res.result.major, res.result.minor);
 }